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问题
单项选择题 B1型题
气微,味甚苦,嚼之有黏性,可使唾液染成黄色的药材是()
A.桑白皮
B.黄柏
C.白鲜皮
D.秦皮
E.地骨皮
答案
参考答案:
B
选择题
I was out of town at the time, so I don't know exactly how it _____.
A. was happening
B. happened
C. happens
D. has happened
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单项选择题
肌肉细胞细长呈()。
A.纤维状
B.杆状
C.丝状
D.游离状
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